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CHE 101 Hwk # 2

Total questions: 100

Worksheet time: 5hrs 0mins

Name
Class
Date
1.
Elements combine to form __________.
a)
compounds
b)
atoms
c)
positive ions
d)
negative ions
2.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
3.
Compounds made from only nonmetals are _________________ compounds.
a)
ionic
b)
covalent
c)
metallic
d)
chemical
4.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
5.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose
6.
The chemical formula shows one carbon atom bonded to __________ oxygen atoms.
a)
one
b)
two
c)
three
d)
four
7.

Name the following compound: N2O2

a)

nitrogen oxide

b)

nitrogen dioxide

c)

dinitrogen dioxide

d)

dinitrogen oxide

8.

Name the following compound: CO

a)

Monocarbon monoxide

b)

Carbon monoxide

c)

Carbon oxide

d)

Monocarbon oxide

9.

Name the following compound: SO3

a)

Sulfur trioxide

b)

Sulfur oxide

c)

Trisulfur oxide

d)

Sulfur dioxide

10.

Name the following compound: CF4

a)

Carbon fluoride

b)

Carbon tetrafluoride

c)

Carbon trifluoride

d)

Carbon pentafluoride

11.

Name the following compound: XeF6

a)

Monoxenon hexafluoride

b)

Xenon fluoride

c)

Xenon hexafluoride

d)

Xenon tretrafluoride

12.

What is the prefix for the number 5 ?

a)

tetra-

b)

penta-

c)

hexa-

d)

hepta-

13.

What is the prefix for the number 8 ?

a)

hexa-

b)

hepta-

c)

octa-

d)

nona-

14.

What is the chemical formula for Nitrogen monoxide?

a)

CO

b)

NO

c)

N2O

d)

NO2

15.

What is the chemical formula for Dichlorine monoxide?

a)

ClO

b)

ClO2

c)

Cl2O2

d)

Cl2O

16.

What is the chemical formula for Dioxygen difluoride?

a)

O2F2

b)

OF

c)

O2F

d)

OF2

17.

What is the chemical formula for Carbon tetrachloride?

a)

CF4

b)

CCl4

c)

C4Cl4

d)

C4Cl

18.
What is the chemical formula for CP ?
a)
Carbon phosphide
b)
Monocarbon phosphide
c)
Carbon monophosphide
d)
none of the above
19.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
20.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
21.
What is the chemical formula for Nitrogen triiodide?
a)
NI
b)
N3I
c)
NI3
d)
None of these
22.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
23.
What is the chemical formula for Fluorine trisulfide ?
a)
S3F
b)
FS3
c)
FS
d)
none of the above
24.

What comes first in an ionic formula (Ex - NaCl)?

a)

metal

b)

nonmetal

c)

metalloid

25.

What happens to the name of the nonmetal when it is in an ionic formula? (ex. NaCl)?

a)

name stays the same - doesn't change

b)

end of name changes to "-ide"

c)

end of name changes to "-ate"

26.

What is the name of the following compound? MgO

a)

magnesium oxygen

b)

magnesium oxide

c)

manganese oxide

d)

manganese oxygen

27.

What is the formula of aluminum chloride?

a)

AlCl

b)

Al3Cl

c)

AlCl3

d)

Al3Cl3

28.

Transition metals have multiple valence states. Which of the following is the correct way to represent Fe2+?

a)

Fe 2

b)

Fe II

c)

Fe (II)

d)

Fe (III(

29.

What is the correct formula for Copper (II) chloride?

a)

CuCl

b)

Cu2Cl

c)

CuCl2

d)

Cu2Cl2

30.

What is the correct charge of Chromium in the formula shown:

CrCl3

a)

+1

b)

+2

c)

+3

31.

What is the correct charge of Mn in the formula shown?

MnS2

*Careful - check the charge of the sulfur first*

a)

+1

b)

+2

c)

+3

d)

+4

32.

What is the correct name for the formula shown:

VF5

a)

Vanadium fluoride

b)

Vanadium (V) fluorine

c)

Vanadium (V) fluoride

d)

Vanadium fluorine

33.

What is the correct name for the polyatomic ion below?

CO32-

a)

carbon

b)

carbide

c)

carbonate

d)

carbonite

34.

What is the correct formula for sulfate ion?

a)

SO32-

b)

SO42-

c)

SO24-

d)

SO23-

35.

What is the correct formula for the compound named "calcium phosphate"

a)

CaPO4

b)

Ca2(PO4)3

c)

Ca3(PO4)2

36.

What is the correct formula for the compound: "ammonium sulfite"

a)

NH4SO3

b)

(NH4)2SO3

c)

(NH4)2SO4

d)

NH4(SO3)2

37.

What is the correct name for the following formula:

CuNO3

a)

copper nitrate

b)

copper (I) nitrate

c)

copper (II) nitrate

d)

none of these

38.

What is the correct name for this polyatomic ion: ClO–

a)

hypochlorite

b)

chlorite

c)

chlorate

d)

perchlorate

39.

What is the correct formula for the polyatomic ion called chlorate?

a)

ClO–

b)

ClO2–

c)

ClO3–

d)

ClO4–

40.

What is the correct formula for the polyatomic ion called hydrogen carbonate?

a)

HCO3–

b)

CO32–

c)

CrO42–

d)

CN–

41.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

42.

Name the ionic compound SnSe2

a)

Tin diselenide

b)

Tin (IV) Selenide

c)

Tin selenide

d)

Tin (II) triselenide

43.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

44.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

45.

What is the formula for phosphorous acid?

a)

H3PO4

b)

H2PO4

c)

H3P

d)

H3PO3

46.

What is the formula for nitric acid?

a)

HNO2

b)

HNO3

c)

HNO4

d)

H2NO3

47.

Name this acid with the formula HF

a)

hydrofluoric acid

b)

hypofluoric acid

c)

hydrogen fluorine acid

d)

fluoric acid

48.

What is the formula for hydrochloric acid?

a)

HCl

b)

HClO

c)

H3ClO3

d)

HClO3

49.
HBr
a)
hydrogen bromine acid
b)
hydrobromide acid
c)
hydrobromic acid
50.

carbonic acid

a)

H2CO3

b)

H2CrO4

c)

H2C2O4

d)

HCO3

51.

Binary acids start with the prefix "____________"

a)

acid

b)

nitric

c)

hydraulic

d)

hydro

52.

When naming binary acids, the ending always changes to:

a)

-ate

b)

-ite

c)

-ic

d)

-ous

53.

When naming oxyacids, change "-ite" to:

a)

-ate

b)

-ic

c)

-ous

d)

-ite

54.

Name the acid that uses an acetate ion: HC2H3O2

a)

Acetic acid

b)

Acetous acid

c)

Hydrogen Acetate acid

d)

Hydrogen Acetatic acid

55.

Name this acid: HNO2

a)

hydronitrous acid

b)

hydrogen nitrogen oxygen

c)

nitrous acid

d)

hyponitrous acid

56.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
57.
What is the oxidation number of Fe in FeO?
a)
+1
b)
-1
c)
+2
d)
-2
58.
What is the oxidation of C in CH4?
a)
-4
b)
-1
c)
+4
d)
+1
59.
What is oxidation number of Mn in MnO2 ?
a)
0
b)
+2
c)
-2
d)
+4
60.
What is the oxidation number of Ca in Ca3N2?
a)
+3
b)
+2
c)
-3
d)
-2
61.
What is oxidation number of Cr in
Cr2O72-?
a)
-2
b)
+2
c)
+6
d)
+12
62.
What is oxidation number of P in K3PO4?
a)
+1
b)
+5
c)
-2
d)
0
63.

What is the oxidation state of Cl in ClO- ?

a)

0

b)

+1

c)

-1

d)

+2

64.

What is the oxidation state of Pb in PbO ?

a)

+2

b)

+4

c)

0

d)

-2

65.

C in CO32-?

a)

-4

b)

+2

c)

0

d)

+4

66.
What is the oxidation number of O in CO2?
a)
+2
b)
-1
c)
+4
d)
-2
67.
The sum of all oxidation numbers in a neutral compound is ___.
a)
0
b)
1
c)
-1
d)
depends on the compound
68.
Which of the following compounds is NOT an ionic compound?
a)
NaCl
b)
NH3
c)
Fe2O3
d)
HCl
69.
What element's don't have oxidation numbers?
a)
alkali metals
b)
noble gases
c)
halogens
d)
alkaline earth metals
70.

Oxidation number of H in NaH:

a)

0

b)

+1

c)

-1

d)

+2

71.

What is the oxidation state of phosphorous in Mg3(PO4)2

a)

+2

b)

+3

c)

+4

d)

+5

72.

What is the oxidation number for O2

a)

-2

b)

-1

c)

0

d)

+2

73.

What is the oxidation number of H in H2O?

a)

-1

b)

+1

c)

+2

d)

-2

74.
What is a cation? 
a)
a metal with a negative (-) charge
b)
a non-metal with a negative (-) charge 
c)
a metal with a positive (+) charge 
d)
a non-metal with a positive (+) charge
75.
What is a anion? 
a)
a metal with a negative (-) charge
b)
a non-metal with a negative (-) charge 
c)
a metal with a positive (+) charge 
d)
a non-metal with a positive (+) charge
76.
Covalent Compounds HAVE a positive (+) or negative (-) charge 
a)
True
b)
False
c)
Que onda, Hagerman? 
d)
What was that now? 
77.
CO2
a)
Ionic
b)
Covalent
c)
Polyatomic Ion 
d)
Metallic 
78.
NaCl
a)
Ionic
b)
Covalent
c)
Metallic
d)
Polyatomic Ion 
79.
MgCl2
a)
Ionic
b)
Covalent
c)
Polyatomic Ion
d)
Metallic 
80.
The octet rule means that all valence shells want to have the number...... 
a)
1
b)
9
c)
8
d)
16
81.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
82.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
83.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
84.
KBr
a)
Soluble
b)
Insoluble
85.
Zinc Hydroxide
a)
Soluble 
b)
Insoluble
86.
Silver Iodide
a)
Soluble 
b)
Insoluble 
87.
Zinc Carbonate
a)
Soluble 
b)
Insoluble 
88.
KOH
a)
Soluble 
b)
Insoluble
89.
Silver acetate
a)
Soluble 
b)
Insoluble
90.
PbI2
a)
Soluble
b)
Insoluble
91.
NaC2H3O2
a)
soluble
b)
insoluble
92.
K2CO3
a)
soluble
b)
insoluble
93.
CaCO3
a)
soluble
b)
insoluble
94.
BaSO4
a)
soluble
b)
insoluble
95.
Ca(OH)2
a)
soluble
b)
insoluble
96.
FeS
a)
soluble
b)
insoluble
97.
K2SO4
a)
soluble
b)
insoluble
98.
AgCl
a)
soluble
b)
insoluble
99.
NH4NO3
a)
soluble
b)
insoluble
100.

What of these is always soluble?

a)

Nitrates

b)

Phosphates

c)

Carbonates

d)

Hydroxides

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